Python Version for 2.0

.claude/launch.json

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+{
+  "version": "0.0.1",
+  "configurations": [
+    {
+      "name": "docs",
+      "runtimeExecutable": ".venv/bin/mkdocs",
+      "runtimeArgs": ["serve", "--dev-addr", "127.0.0.1:8127"],
+      "port": 8127
+    }
+  ]
+}

.github/scripts/osipi_badge_summary.py

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+#!/usr/bin/env python3
+"""Summarize a pytest JUnit XML run of the OSIPI suite into shields.io badge fields.
+
+Writes `message`, `color` and `failed` as GitHub Actions step outputs (stdout, meant to
+be redirected into `$GITHUB_OUTPUT`).
+
+Skipped tests are excluded from the count rather than counted as passes. Six of the
+OSIPI tests skip on a GitHub-hosted runner even with the acceleration wheels installed,
+because they need real CUDA hardware; counting those as passes would advertise a
+conformance level that was never measured.
+"""
+
+from __future__ import annotations
+
+import sys
+import xml.etree.ElementTree as ET
+from pathlib import Path
+from typing import Dict
+
+
+def _totals(results_path: Path) -> Dict[str, int]:
+    root = ET.parse(results_path).getroot()
+    suites = [root] if root.tag == "testsuite" else list(root.iter("testsuite"))
+    totals = {"tests": 0, "failures": 0, "errors": 0, "skipped": 0}
+    for suite in suites:
+        for key in totals:
+            totals[key] += int(suite.get(key) or 0)
+    return totals
+
+
+def main(argv: list[str]) -> int:
+    if len(argv) != 2:
+        print(f"usage: {Path(argv[0]).name} <junit-xml>", file=sys.stderr)
+        return 2
+
+    totals = _totals(Path(argv[1]))
+    failed = totals["failures"] + totals["errors"]
+    ran = totals["tests"] - totals["skipped"]
+    passed = ran - failed
+
+    if ran <= 0:
+        message = "no tests run"
+        color = "lightgrey"
+    else:
+        message = f"{passed}/{ran} passing"
+        if totals["skipped"]:
+            message += f" ({totals['skipped']} skipped)"
+        color = "brightgreen" if failed == 0 else "red"
+
+    print(f"message={message}")
+    print(f"color={color}")
+    print(f"failed={failed}")
+    return 0
+
+
+if __name__ == "__main__":
+    raise SystemExit(main(sys.argv))

.github/workflows/docs.yml

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+name: docs
+
+# Builds the ROCKETSHIP site with Zensical and publishes it to GitHub Pages.
+#
+# Zensical replaces Material for MkDocs, which reaches end of life on
+# 5 November 2026. It reads the same mkdocs.yml and inherits the shared DCEasy
+# theme from dceasy-base.yml, so the config here is unchanged by the switch.
+#
+# No CNAME file: this is a project site, and it inherits the custom domain from
+# the organization site (petmri/petmri.github.io), which is where dceasy.org is
+# configured. Adding one here would give the two copies a chance to disagree.
+#
+# Action majors are kept current because GitHub retires the Node runtime they
+# run on, not because this workflow needs new features. Every action below is on
+# node24; upload-pages-artifact pins upload-artifact internally.
+
+on:
+  push:
+    branches:
+      - main
+      - master
+      # Docs currently live on dev, so dev publishes the site. Remove this once
+      # dev merges, otherwise main and dev race for the Pages deployment and the
+      # last push wins.
+      - dev
+  pull_request:
+  workflow_dispatch:
+
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+# Deployments must not cancel each other. A push and a pull_request run can fire
+# for the same commit; with cancel-in-progress the later one kills the former, and
+# since deploy only runs on push, the site silently never updates. Matches DCEPrep
+# and GitHub's own Pages starter workflow.
+concurrency:
+  group: pages
+  cancel-in-progress: false
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v7
+
+      - name: Setup Python
+        uses: actions/setup-python@v7
+        with:
+          python-version: "3.12"
+
+      - name: Install docs dependencies
+        run: pip install -r requirements-docs.txt
+
+      - name: Build docs
+        run: zensical build --strict
+
+      - name: Configure Pages
+        uses: actions/configure-pages@v6
+
+      - name: Upload Pages artifact
+        uses: actions/upload-pages-artifact@v5
+        with:
+          path: site
+
+  deploy:
+    if: github.event_name == 'push'
+    needs: build
+    runs-on: ubuntu-latest
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v5